Cite this article:
Zhang Shi-Yang, Fang Mao-Fa, Zhang Yan-Liang, Guo You-Neng, Zhao Yan-Jun, Tang Wu-Wei. Reduction of entropic uncertainty in entangled qubits system by local JJ-symmetric operationJ. Chin. Phys. B, 2015, 24(9): 090304.
| Zhang Shi-Yang, Fang Mao-Fa, Zhang Yan-Liang, Guo You-Neng, Zhao Yan-Jun, Tang Wu-Wei. Reduction of entropic uncertainty in entangled qubits system by local JJ-symmetric operationJ. Chin. Phys. B, 2015, 24(9): 090304. |
Reduction of entropic uncertainty in entangled qubits system by local JJ-symmetric operation
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Abstract
We investigate the quantum-memory-assisted entropic uncertainty for an entangled two-qubit system in a local quantum noise channel with JJ-symmetric operation performing on one of the two particles. Our results show that the quantum-memory-assisted entropic uncertainty in the qubits system can be reduced effectively by the local JJ-symmetric operation. Physical explanations for the behavior of the quantum-memory-assisted entropic uncertainty are given based on the property of entanglement of the qubits system and the non-locality induced by the re-normalization procedure for the non-Hermitian JJ-symmetric operation. -
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